We specialize in hot-dip galvanizing services
we are committed to delivering high-quality galvanizing solutions that ensure superior corrosion protection and long-lasting durability.
Trusted Galvanizing Solutions for Over 30 Years
Hot-Dip Galvanizing Experts in Thailand Delivering Quality & Precision in Every Project
Our Company
THE LEADING NAME IN
HOT-DIP GALVANIZING
ACROSS THAILAND.
Siam Steel Galvanizing Co., Ltd.
Operating with four zinc bath kettles across two strategic locations—Saraburi and Samutprakarn—SSG delivers high-capacity, high-efficiency galvanizing services tailored for diverse industrial needs.
Rayong Galvanizing Co., Ltd.
A sister company of Siam Steel Galvanizing, RGC is strategically located in Thailand’s Eastern Economic Corridor (EEC) to provide streamlined service and logistical advantages for clients across the region.
Our Story
Rayong Galvanizing Co.,Ltd.
Established in 1996, Rayong Galvanizing Co., Ltd. (RGC) was founded as a sister company of Siam Steel Galvanizing Co., Ltd., one of Thailand’s leading hot-dip galvanizing providers. RGC was created to expand galvanizing capacity and better serve clients in Thailand’s fast-growing Eastern Economic Corridor.
Located in the Eastern Seaboard Industrial Estate, our facility spans 20,820 square meters with a 3,300-square-meter dedicated factory area. We specialize in general hot-dip galvanizing, offering high-quality corrosion protection for structural steel components across construction, energy, and infrastructure sectors.
The plant features a 13.5-meter-long zinc kettle—one of the largest in the region—and a monthly production capacity of 3,500 tons, enabling us to handle large steel assemblies and meet demanding project timelines. All operations adhere to international standards such as ASTM A123, AS/NZS 4680, and ISO 1461.
As part of the Siam Steel Graings Group, RGC upholds the same standards of quality, reliability, and customer service, supporting major public and private sector projects across Thailand.
Our Vision & Mission
Vision
To be the leading galvanizing service provider in Southeast Asia, recognized for excellence, innovation, and sustainability in corrosion protection solutions.
Mission
To provide high-performance galvanizing solutions with precision, efficiency, and reliability by leveraging cutting-edge technology and large-capacity facilities.
We are committed to meeting industrial-scale demands while ensuring compliance with international standards, prioritizing sustainability and safety. Our goal is to support clients with consistent quality, technical expertise, and responsive service.
Our Promise
RAYONG GALVANIZING CO., LTD.
At Rayong Galvanizing, we promise unmatched quality, on-time delivery, and long-lasting protection. With cutting-edge technology and expert craftsmanship, we ensure every project meets the highest standards of durability, safety, and performance—so our clients can build with confidence.
Certifications
COMMITMENT TO QUALITY & EXCELLENCE
At Rayong Galvanizing, quality is at the core of everything we do. Our operations comply with international standards, including ISO 9001, and we adhere strictly to ASTM A123 specifications. These certifications reflect our dedication to consistent quality, process control, and customer satisfaction across every project.
